forked from OSchip/llvm-project
139 lines
4.0 KiB
C++
139 lines
4.0 KiB
C++
//===- SDBMExprDetail.h - MLIR SDBM Expression storage details --*- C++ -*-===//
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//
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// Copyright 2019 The MLIR Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// =============================================================================
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//
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// This holds implementation details of SDBMExpr, in particular underlying
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// storage types.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MLIR_IR_SDBMEXPRDETAIL_H
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#define MLIR_IR_SDBMEXPRDETAIL_H
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#include "mlir/Dialect/SDBM/SDBMExpr.h"
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#include "mlir/Support/StorageUniquer.h"
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namespace mlir {
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class SDBMDialect;
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namespace detail {
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// Base storage class for SDBMExpr.
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struct SDBMExprStorage : public StorageUniquer::BaseStorage {
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SDBMExprKind getKind() {
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return static_cast<SDBMExprKind>(BaseStorage::getKind());
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}
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SDBMDialect *dialect;
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};
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// Storage class for SDBM sum and stripe expressions.
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struct SDBMBinaryExprStorage : public SDBMExprStorage {
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using KeyTy = std::pair<SDBMVaryingExpr, SDBMConstantExpr>;
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bool operator==(const KeyTy &key) const {
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return std::get<0>(key) == lhs && std::get<1>(key) == rhs;
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}
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static SDBMBinaryExprStorage *
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construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
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auto *result = allocator.allocate<SDBMBinaryExprStorage>();
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result->lhs = std::get<0>(key);
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result->rhs = std::get<1>(key);
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result->dialect = result->lhs.getDialect();
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return result;
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}
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SDBMVaryingExpr lhs;
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SDBMConstantExpr rhs;
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};
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// Storage class for SDBM difference expressions.
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struct SDBMDiffExprStorage : public SDBMExprStorage {
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using KeyTy = std::pair<SDBMTermExpr, SDBMTermExpr>;
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bool operator==(const KeyTy &key) const {
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return std::get<0>(key) == lhs && std::get<1>(key) == rhs;
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}
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static SDBMDiffExprStorage *
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construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
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auto *result = allocator.allocate<SDBMDiffExprStorage>();
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result->lhs = std::get<0>(key);
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result->rhs = std::get<1>(key);
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result->dialect = result->lhs.getDialect();
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return result;
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}
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SDBMTermExpr lhs;
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SDBMTermExpr rhs;
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};
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// Storage class for SDBM constant expressions.
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struct SDBMConstantExprStorage : public SDBMExprStorage {
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using KeyTy = int64_t;
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bool operator==(const KeyTy &key) const { return constant == key; }
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static SDBMConstantExprStorage *
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construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
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auto *result = allocator.allocate<SDBMConstantExprStorage>();
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result->constant = key;
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return result;
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}
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int64_t constant;
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};
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// Storage class for SDBM dimension and symbol expressions.
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struct SDBMTermExprStorage : public SDBMExprStorage {
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using KeyTy = unsigned;
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bool operator==(const KeyTy &key) const { return position == key; }
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static SDBMTermExprStorage *
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construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
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auto *result = allocator.allocate<SDBMTermExprStorage>();
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result->position = key;
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return result;
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}
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unsigned position;
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};
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// Storage class for SDBM negation expressions.
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struct SDBMNegExprStorage : public SDBMExprStorage {
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using KeyTy = SDBMTermExpr;
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bool operator==(const KeyTy &key) const { return key == dim; }
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static SDBMNegExprStorage *
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construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
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auto *result = allocator.allocate<SDBMNegExprStorage>();
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result->dim = key;
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result->dialect = key.getDialect();
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return result;
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}
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SDBMTermExpr dim;
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};
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} // end namespace detail
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} // end namespace mlir
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#endif // MLIR_IR_SDBMEXPRDETAIL_H
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